///*
// Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
// 
//
//  The MySQL Connector/J is licensed under the terms of the GPLv2
//  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
//  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
//  this software, see the FLOSS License Exception
//  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
//  This program is free software; you can redistribute it and/or modify it under the terms
//  of the GNU General Public License as published by the Free Software Foundation; version 2
//  of the License.
//
//  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
//  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//  See the GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License along with this
//  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
//  Floor, Boston, MA 02110-1301  USA
// */
//
//package com.mysql.jdbc.integration.jboss;
//
//import java.io.Serializable;
//import java.sql.Connection;
//import java.sql.SQLException;
//import java.sql.Statement;
//
//import org.jboss.resource.adapter.jdbc.ValidConnectionChecker;
//
///**
// * A more efficient connection checker for JBoss.
// * 
// * @version $Id: MysqlValidConnectionChecker.java,v 1.1.2.1 2005/05/13 18:58:42
// *          mmatthews Exp $
// */
//public final class MysqlValidConnectionChecker implements
//		ValidConnectionChecker, Serializable {
//
//	private static final long serialVersionUID = 8909421133577519177L;
//
//	public MysqlValidConnectionChecker() {
//	}
//
//	/*
//	 * (non-Javadoc)
//	 * 
//	 * @see org.jboss.resource.adapter.jdbc.ValidConnectionChecker#isValidConnection(java.sql.Connection)
//	 */
//	public SQLException isValidConnection(Connection conn) {
//
//		// Use "/* ping */ SELECT 1" which will send
//		// pings across multi-connections too in case the connection
//		// was "wrapped" by Jboss in any way...
//
//		Statement pingStatement = null;
//
//		try {
//			pingStatement = conn.createStatement();
//			
//			pingStatement.executeQuery("/* ping */ SELECT 1").close();
//
//			return null;
//		} catch (SQLException sqlEx) {
//			return sqlEx;
//		} finally {
//			if (pingStatement != null) {
//				try {
//					pingStatement.close();
//				} catch (SQLException sqlEx) {
//					// can't do anything about it here
//				}
//			}
//		}
//	}
//}
